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Driven by 5V pulses, (3.3V if SJ2 is shorted) PSU 7V-30V Can drive 150mA to 750mA per phase Compatible with 4, 6 and 8 wire motors MS1 and MS2 pins enable changing of resolution to full, 1/2, 1/4, 1/8 (default is 1/8)
PFM control DC/DC boost controller chip Input 0.9 V ~ 5 V, stable output 5 V DC voltage With two AA batteries will output current 500 ~ 600 mA, single AA batteries can output current 200 mA USB female output connector LED IndicatorPCB size: 34mm * 16.2mm
Two wire I2C interfaceHour : Minutes : Seconds AM/PMDay Month, Date - YearSize: 28x25x10mm(approx)Leap year compensation DS1307 based RTC with LIR2032 battery (Battery include) 1Hz output pin 56 Bytes of Non-volatile memory available to userBattery not included
ULN2003 Stepper motor driver board Size: approx. 31 x 35mm A, B, C, D four-phase LED indicates the status of the stepper motor Standard interface, pluggable directly to the stepper motor
Input: 3 v ~ 32 v Output: 5 v ~ 40 v Input current: 4A (maximum Output ripple: 50 mv (the higher the voltage, the higher current, the greater the ripple) Load regulation±0.5% Voltage regulation factor±0.5% Operating temperature-40℃~ +85℃ Size: approx. 43 x 21 x 14 mm
Dimensions: 4 x 3.2 x 1.3cm Maximum 1 Amp per pin
Size: Approx. 4.2 x 2 x 1cmInput voltage:4.5-40VOutput voltage:1.5-35V(Adjustable)Output current: Rated current is 2A,maximum 3A(Additional heat sink is required)
power supply: DC 5V/2mA. Logic 1/0: 5V/0V. Precision: 3mm. Distance range: 2cm-450cm. Working angle: ~15°. Size:4.5cm x 2cm x 1.5cm.
This Module measures the output voltage of the USB port and the load current and load voltage Pass through design Display changes from Voltage to Current every few seconds, automatically Detection range: Voltage: 3v-7v error 0.1v Current :0-2.5A error 0.01A Size:63*21-34*15mm
-Size: 3.5CM * 3.6CM -PSU voltage: 5V-15VDC-Output with LED indication-Adjustable frequency in 4 steps (selected by jumper) 1Hz-50Hz, 50Hz-1kHz, 1KHz-10kHz, 10kHz-200kHz -Adjustable Duty Cycle
Brand new and high quality. HMC5883L module (three-axis magnetic field module). Use the chip: HMC5883L. Power supply: 3-5V. Communication modes: standard IIC communication protocol. Measuring range: ± 1.3-8 Gauss. Size: 1.5cm x 1.8cm.
1. Uses groove coupler sensor. 2. Groove width:5mm. 3. Output state LED. 4. Obscured output high; unobstructed output low. 5. Driving ability, more than 15mA. 6. Operating voltage 3.3V-5V. 7. Digital switching outputs. (0 and 1) 8. A fixed bolt hole for easy installation. 9. PCB Dimensions: 3.2cm x 1.4cm.
1、Standard interface that can be expanded for a variety of development boards 2、I2C Serial port to 8-bit parallel port , support expansion to 8×8 = 64 at most 3、PCF8574 IO expansion chip with I2C interface, 8-bit parallel port output
Tested compatible for Arduino Mega, Diecimila & Duemilanove.Size:6.8cm x 5.5cm x 2cm - 2.68inch x 2.17inch x 0.79inch.
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